31712677627 has 4 divisors (see below), whose sum is σ = 31739084056. Its totient is φ = 31686271200.

The previous prime is 31712677559. The next prime is 31712677639. The reversal of 31712677627 is 72677621713.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31712677627 is a prime.

It is a super-2 number, since 2×31712677627² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31712677697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13201413 + ... + 13203814.

It is an arithmetic number, because the mean of its divisors is an integer number (7934771014).

Almost surely, 2^31712677627 is an apocalyptic number.

31712677627 is a deficient number, since it is larger than the sum of its proper divisors (26406429).

31712677627 is a wasteful number, since it uses less digits than its factorization.

31712677627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26406428.

The product of its digits is 1037232, while the sum is 49.

The spelling of 31712677627 in words is "thirty-one billion, seven hundred twelve million, six hundred seventy-seven thousand, six hundred twenty-seven".